EP1465298A2 - Connecteur pour câbles à impédance regulée - Google Patents

Connecteur pour câbles à impédance regulée Download PDF

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Publication number
EP1465298A2
EP1465298A2 EP04016064A EP04016064A EP1465298A2 EP 1465298 A2 EP1465298 A2 EP 1465298A2 EP 04016064 A EP04016064 A EP 04016064A EP 04016064 A EP04016064 A EP 04016064A EP 1465298 A2 EP1465298 A2 EP 1465298A2
Authority
EP
European Patent Office
Prior art keywords
connector
ground plate
connector body
socket contacts
electrical connector
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP04016064A
Other languages
German (de)
English (en)
Other versions
EP1465298B1 (fr
EP1465298A3 (fr
Inventor
Steven Feldman
Wing C. Chow
Richard J. Scherer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
3M Innovative Properties Co
Original Assignee
3M Innovative Properties Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 3M Innovative Properties Co filed Critical 3M Innovative Properties Co
Publication of EP1465298A2 publication Critical patent/EP1465298A2/fr
Publication of EP1465298A3 publication Critical patent/EP1465298A3/fr
Application granted granted Critical
Publication of EP1465298B1 publication Critical patent/EP1465298B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6591—Specific features or arrangements of connection of shield to conductive members
    • H01R13/65912—Specific features or arrangements of connection of shield to conductive members for shielded multiconductor cable
    • H01R13/65915—Twisted pair of conductors surrounded by shield
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/03—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections
    • H01R9/05—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections for coaxial cables
    • H01R9/0512—Connections to an additional grounding conductor
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/646—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00 specially adapted for high-frequency, e.g. structures providing an impedance match or phase match
    • H01R13/6473—Impedance matching
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/502—Bases; Cases composed of different pieces
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/514—Bases; Cases composed as a modular blocks or assembly, i.e. composed of co-operating parts provided with contact members or holding contact members between them
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6581—Shield structure
    • H01R13/6585—Shielding material individually surrounding or interposed between mutually spaced contacts
    • H01R13/6586—Shielding material individually surrounding or interposed between mutually spaced contacts for separating multiple connector modules
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6591—Specific features or arrangements of connection of shield to conductive members
    • H01R13/6592—Specific features or arrangements of connection of shield to conductive members the conductive member being a shielded cable
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
    • H01R24/40—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency
    • H01R24/42—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency comprising impedance matching means or electrical components, e.g. filters or switches
    • H01R24/44—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency comprising impedance matching means or electrical components, e.g. filters or switches comprising impedance matching means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/22—Bases, e.g. strip, block, panel
    • H01R9/24—Terminal blocks
    • H01R9/2408—Modular blocks
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/50—Fixed connections
    • H01R12/59—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures
    • H01R12/592—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures connections to contact elements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6581—Shield structure
    • H01R13/6582—Shield structure with resilient means for engaging mating connector
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2103/00—Two poles

Definitions

  • the present invention relates to a connector for coaxial, twinaxial and/or twisted pair cables.
  • the invention is especially suited for the termination of shielded cables of the type mentioned, such that controlled impedance is provided through the connector, from mating face to cable end.
  • connectors for terminating shielded cables are known in the art. Such connectors are typically designed for a single type of application and are not typically easily altered for use with, for example, different signal/ground configurations, or for use with different types of connection methods, e.g., soldering or welding. In addition, known connectors are typically difficult to assemble, often requiring multiple molding steps, over-molding of electrical contacts and the like, which add time and expense to the connector fabrication process. Finally, prior art connectors often do not provide adequate performance characteristics for high performance systems. Inadequate performance characteristics include, for example, the inability to control the impedance within the connector, or to match the connector impedance with that of the system in which the connector is used. What clearly is needed is a connector which provides greater flexibility in its use and which is easy and economical to produce.
  • the invention described herein provides an electrical connector which is easily assembled and configured for alternate uses, and which may be adjusted to provide a controlled impedance across each signal line of the connector.
  • the present invention provides a connector for terminating a shielded cable and connecting the cable to regularly arranged contact pins.
  • the connector comprises a planar connector body formed from an insulative material which has a plurality of longitudinal channels each adapted to receive a socket contacts.
  • a planar conductive ground plate covers the bottom surface of the connector body and extends across each of the plurality of socket contacts. The ground plate makes electrical contact with the shield of the cable to establish a ground plane equidistant from each of the socket contacts.
  • a cover member encloses the socket contacts.
  • a plurality of the connectors may be stacked together and held in a stacked configuration by a retaining rod which secures to mating engagement surfaces on the connector bodies.
  • the cover member may be provided with a conductive portion which is electrically connected to the ground plate, where the conductive portion of the cover member is formed to extend above the top side of the connector body and make electrical connection with the ground plate of the connector stacked above. In this manner, each of the ground plates in a stack of connectors may be assured of being at the same ground potential.
  • the connector 18 of the present invention shown in Figure 1 in an exploded view, includes a connector body 20 formed from an insulative dielectric material, a plurality of socket contacts 22, a planer conductive ground plate 24, and cover member 26. Retention rods 28 may be used when a plurality of connector bodies are stacked together.
  • the connector 18 is shown in Figure 1 in use with a pair of twinaxial cables 30. However, as will be discussed in greater detail below, the connector 18 of the present invention may be used with other types of shielded cables, such as coaxial or twisted pair cables.
  • Connector body 20 includes a top side 32 and an opposing bottom side 34.
  • the top and bottom sides 32, 34 are defined by a front edge 36, a back edge 38 and two longitudinal side edges 40.
  • Top side 32 of connector body 20 includes a plurality of channels 42 separated by ribs 45 extending from openings 43 in front edge 36 toward back edge 38. The channels 42 are adapted to receive socket contacts 22 and retain socket contacts 22 securely within the connector body 20.
  • socket contact 22 includes resilient contact portions 44 which are adapted to engage a corresponding contact pin (not shown) inserted through opening 43 when the connector 18 is in use.
  • Shank 46 extends from resilient contact portions 44 to socket terminal 48.
  • the width and height of shank 46 and terminal 48 may be selected to control the characteristic impedance in a known microstrip relationship with the ground plane provided by ground plate 24 described in greater detail below.
  • the characteristic impedance may also be controlled by altering the thickness of the portion of connector body 20 which is between contacts 22 and ground plate 24, or by altering the dielectric constant of the material of connector body 20.
  • Socket contact 22 also includes spring member 50 which locates socket contact 22 properly within channel 42, and removably retains contact 22 within its respective channel 42 without damage to the housing, such that an individual socket contact 22 may be replaced without damaging the housing.
  • socket contact 22 may be provided with additional contact retention features 52 which are shaped to frictionally engage the connector body 20 and aid in maintaining the position of socket contact 22, such lance or sawtooth features may make replacement of contacts difficult. It is advantageous to have removable socket contacts 22, so that damaged contacts may be replaced at relatively low cost, instead of causing the entire connector 18 to be rendered inoperable.
  • socket contact 22 is adapted to slide longitudinally into a mating channel 42 in connector body 20. As contact 22 slides into position, socket terminal 48 engages recesses 54 in the walls of channel 42. In this manner, socket contact 22 is held securely against the bottom of channel 42, thereby eliminating air gaps between socket contact and connector body 20 which may cause impedance variations across the connector. This is important, as the spring force of the signal conductors 74 of cables 30 may otherwise tend to lift terminals 48 away from connector body 20. As socket contact 22 is moved further toward front edge 36 of connector body 20, spring member 50 snaps into detent 56 in the wall of channel 42. At this point, socket contact 22 is properly located and secured within its channel 42. Socket contact 22 is prevented from moving out of channel 42 by spring member 50 which is engaged with detent 56, and by terminal 48, which is engaged with recesses 54. A contact 22 is placed in each channel 42 in the above-described manner.
  • ground plate 24 may be attached to the bottom side 34 of connector body 20.
  • Ground plate 24 is formed of a conductive material, such as metal.
  • Ground plate 24 includes deformable grounding contacts 60 which may be selectively deformed to ground one or more of socket contacts 22. One or more of the grounding contacts 60 may be deformed so as to ground a socket contact 22. In this manner, connector 18 may be provided with a programmable grounding scheme.
  • Grounding contacts 60 make mechanical and electrical connection with socket contacts 22 through openings 62 in the bottom side 34 of connector body 20 (best seen in Figure 3b).
  • the grounding contacts 60 may make only spring force contact with socket contacts 22, or they may alternatively be soldered or welded to socket contacts 22.
  • Ground plate 24 is secured to the bottom side 34 of connector body 20 by locking tabs 64.
  • Locking tabs 64 engage slots 66 in the bottom side 34 of connector body 20 ( Figure 4). After locking tabs 64 are positioned in slots 66, ground plate 24 is moved toward back edge 38 of connector body 20. This sliding motion causes locking tabs 64 to engage ledges (not shown) in slots 66 and pull grounding plate 24 tightly against the bottom side 34 of connector body 20.
  • Locking tabs 64 are shaped so as to cause a camming action as ground plate 24 is moved toward back edge 38. This camming action urges the ground plate against the connector body 20, thereby eliminating air gaps, which may cause impedance variations across the connector. For this reason, it is preferred that the material of ground plate 24 be somewhat resilient.
  • ground plate 24 is preferably formed so as to have a slightly concave shape when unattached to connector body 20, such that locking tabs 64 tend to pull the edges of ground plate 24 toward bottom side 34 and thereby flatten ground plate 24 against bottom side 34.
  • a raised projection 70 on bottom side 34 engages opening 72 in ground plate 24. In this manner, ground plate 24 is prevented from moving toward front edge 36 and possibly becoming disengaged from connector body 20.
  • ground plate 24 is installed onto connector body 20 (i.e., in the direction of axial pullout when connector 18 is engaged) assures ground plate 24 will not be dislodged while disconnecting an engaged connector 18.
  • the cable shields 73 are attached to ground plate 24 by soldering or other means such as welding. Because ground plate 24 is installed in the direction of axial pullout force (which is applied to the cable when the connector 18 is disengaged from use), pulling on the cables tends to further secure ground plate 24 to connector body 20, rather than tending to dislodge or loosen ground plate 24.
  • ground plate 24 extends across each of socket contacts 22 in the connector. This provides several advantages to the performance of connector 18. Because ground plate 24 is part of the current return path, it is advantageous to provide as wide of a return path as possible to minimize the self-inductance generated in the connector. A long and narrow return path tends to cause greater self-inductance, which is detrimental to the connector performance. It will be noted that the deformable grounding contacts 60 of ground plate 24 are positioned such that the base of the deformed contact 60 is positioned close to front edge 36 of the connector.
  • grounding contacts 60 are positioned as close as possible to the engagement point of the mating grounded component, e.g., the ground pin of the mating pin header 106.
  • the ground contact 60 could be shaped so as to make contact with the ground pin of the mating pin header. In this manner, the lengths of the signal and ground paths are kept as close as possible to the same length, thereby minimizing any self-inductance within the connector.
  • ground plate 24 By extending ground plate 24 across each of the contacts 22, a ground plane is established across the entire connector which allows the impedance of the connector to be closely controlled at each signal line.
  • ground plate 24 By securing ground plate 24 in the manner described above, it is ensured that the spacing between socket contacts 22 and the ground plane created by ground plate 24 is maintained at a constant and uniform distance.
  • Socket contacts 22 form what is referred to as a microstrip geometry with the ground plane.
  • the method for determining the impedance of a device having microstrip geometry is known in the art, and it will be recognized that by maintaining the spacing between the ground plane and socket contacts 22 at a uniform distance, the impedance of connector 18 can be closely controlled and adjusted for optimal connector performance.
  • the impedance can be adjusted by altering the width and thickness of the socket contact, by varying the dielectric constant of the material forming connector body 20, or by altering the thickness of the material between contacts 22 and ground plate 24. If the spacing between socket contacts 22 and the ground plane varies across the width of connector 18, each of socket contacts 22 will experience a different impedance, thus causing degradation of a signal passing through the connector. Such impedance variations limit the bandwidth of the connector and are not acceptable in many high performance systems.
  • cables 30 may be attached to the connector 18.
  • the signal conductors 74 of cables 30 are connected to the terminals 48 of the appropriate socket contacts 22, while the cable shields 73 are attached to ground plate 24.
  • the locking tab 64 may also function as a solder tab for the connection of cable shield 73.
  • the signal conductors 74 of cables 30 will typically be attached to contact terminals 48 by soldering, other methods of connection may be used. For example, it may be desired in some instances to weld the signal conductors 74 to the socket terminals 48. For this reason, connector body 20 is provided with access openings 78 (best seen in Figure 3b).
  • Access openings 78 allow both sides of socket terminal 48 to be reached by electrodes so that the signal conductors 30 may be welded to the terminals 48. Of course, such welding would have to occur prior to installation of ground plate 24, as ground plate 24 covers access openings 78 after ground plate 24 has been installed onto connector body 20. Alternately, access holes could also be provided in ground plate 24 for access to terminals 48.
  • Ground plate 24 also includes several access openings 80 near back edge 38. Access openings 80, for example, allow a solder paste to be used to connect the electrical shields 73 of cables 30 to ground plate 24. Ground plate 24 may also be provided with raised ridges 82 which aid in positioning signal conductor 74 at the proper height for connection to terminals 48.
  • ribs 45 which separate channels 42 function as cable organizers, helping direct cables 30 into channels 42 and properly position cable signal conductors 74 over terminals 48.
  • ribs 45 extend only so far toward back edge 38 as is necessary to property align signal conductors 74. This allows signal conductors 74 to be more easily routed to any of a variety of contact terminals 48 without requiring significant bending of signal conductors 74.
  • cover member 26 may be installed to finish assembling connector 18.
  • Cover member 26, as best seen in Figure 1 is secured to connector body 20 by sliding the cover member 26 from the back edge 38 toward the front edge 36 of the connector body 20. As cover member 26 slides into position, guide rails 84 on cover 26 engage slots 86 in connector body 20 to properly position and secure cover member 26. As cover member 26 becomes fully engaged with connector body 20, latching features 88 on rails 84 securely engage detents 90 within connector body 20, while lip 92 at the front edge of cover member 26 is secured under edge 94 of connector body 20. The assembled connector 18 as thus described and shown in Figure 6 is then ready for use.
  • FIG. 7a and 7b An example of a set of stacked connectors is shown in Figures 7a and 7b.
  • the connectors are secured to each other by retention rod 28.
  • Retention rod 28 is adapted to engage a mating recess 100 on side edges 40 of connector body 20.
  • Recesses 100 include a projecting rib 102 for engaging a mating groove 104 in retention rod 28.
  • the grooves 104 are spaced along retention rod 28 such that when a plurality of connectors 18 are stacked together and secured by retention rod 28, the connectors 18 are held securely against one another.
  • the material of retention rod 28 be somewhat resilient so that retention rod 28 may provide a compression force between the stacked connectors 18.
  • the material of retention rod must also be rigid enough to maintain the stacked connectors in proper alignment in all other dimensions.
  • Retention rod 28 is preferably formed of a polymeric material having a durometer less than the durometer of the material forming connector body 20. In this manner, retention rod 28 will yield to the material of connector body 20 as retention rod 28 engages connector body 20. Alternately, retention rod 28 is may be formed of a material having a durometer greater than the durometer of the material forming connector body 20, such that the material of connector body 20 yields to the material of retention rod 28.
  • a set of stacked connectors may be engaged with a mating pin header 106, as shown in Figures 8a and 8b.
  • a mating pin header 106 As shown in Figures 8a and 8b.
  • the configuration of retention rods 28 and recesses 100 may be altered to a variety of shapes while still performing their intended function.
  • a projection (not shown) could extend from connector body 20 and retention rod 28 could be adapted to engage the projection.
  • the connector 18 and stacking method described herein make it possible to interchange a single connector 18 in a series of stacked connectors without disconnecting the entire stack of connectors from the pin header 106 of a powered system.
  • hot swapping this may be accomplished by simply removing the retention rods 28 from recesses 100 in the stacked connectors and pulling a single connector 18 from the pin header 106.
  • the removed connector 18 may then be re-inserted after any necessary adjustment is made, or a new connector my be installed in its place.
  • the retention rods 28 are then reinstalled to secure the stack of connectors.
  • connector body 20 may be provided with an optional guide rail 108, which is useful for guiding the assembled connector 18 into pin header 106.
  • Guide rail 108 is adapted to mate with grooves 110 in pin header 106.
  • the position and shape of guide rails 108 and grooves 110 may vary depending upon the particular use or application of connector 18. Further, guide rails 108 may function as a connector polarization key to prevent an improper connection with pin header 106.
  • pin header 106 may be provided with a retaining latch 112 for securing a stack of connectors 18 within pin header 106.
  • Latch 112 is designed to engage lip 114 at the back edge 38 of connector body 20.
  • FIG. 9 illustrate use of three coaxial cables 30' with the connector body 20, contacts 22 and ground plate 24 described above.
  • a slightly modified cover member 26' is provided to accommodate the slightly different size and shape of the coaxial cables 30'.
  • the guide rails 84, latching mechanism 88 and lip 92 of cover member 26' are identical to that described above for cover member 26.
  • cover 26 it may be desired to form cover 26 from a conductive material or to provide cover 26 with a conductive section, such as by metal plating portions of cover 26, and to then electrically connect the conductive portion of cover 26 to ground plate 24.
  • a modified connector 18" and cover 26'' are shown in Figure 11.
  • Cover 26" is provided with a spring contact 116 which will make electrical contact with the ground plate 24 of a connector which is stacked above the cover 26''.
  • Cover 26" may make electrical contact with ground plate 24 of the connector 18'' by, for example, extending locking tabs 64 of ground plate 24 through connector body 20 to make contact with cover 26''.
  • the connector 18" is provided with additional shielding and it is possible to assure each individual connector in a stack of connectors 18" is at the same ground potential.
  • the invention as described above provides numerous advantages compared to prior art connectors.
  • the programmable grounding contacts 60 in ground plate 24 allow complete flexibility as to the arrangement of signal and ground contacts, without requiring design changes to the connector body or cover member.
  • the wide ground plate 24 provides a low impedance current return path, and the uniform spacing between socket contacts 22 and the ground plane created by ground plate 24 allows the connector impedance to be controlled in a known microstrip relationship with the ground plane provided by ground plate 24.
  • the simplified stacking features allow any number of connectors 18 to stacked without extra components, while allowing the stack of connectors 18 to be easily disassembled and further allowing "hot swapping" of a single connector in a stack of connectors.
EP04016064A 1999-09-20 2000-02-01 Connecteur pour câbles à impédance regulée Expired - Lifetime EP1465298B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/400,519 US6524135B1 (en) 1999-09-20 1999-09-20 Controlled impedance cable connector
US400519 1999-09-20
EP00905897A EP1305850B1 (fr) 1999-09-20 2000-02-01 Connecteur pour cables a impedance regulee

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP00905897A Division EP1305850B1 (fr) 1999-09-20 2000-02-01 Connecteur pour cables a impedance regulee

Publications (3)

Publication Number Publication Date
EP1465298A2 true EP1465298A2 (fr) 2004-10-06
EP1465298A3 EP1465298A3 (fr) 2004-12-08
EP1465298B1 EP1465298B1 (fr) 2006-11-02

Family

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Family Applications (3)

Application Number Title Priority Date Filing Date
EP00905897A Expired - Lifetime EP1305850B1 (fr) 1999-09-20 2000-02-01 Connecteur pour cables a impedance regulee
EP03028199A Expired - Lifetime EP1396911B1 (fr) 1999-09-20 2000-02-01 Connecteur pour câbles à impédance regulée
EP04016064A Expired - Lifetime EP1465298B1 (fr) 1999-09-20 2000-02-01 Connecteur pour câbles à impédance regulée

Family Applications Before (2)

Application Number Title Priority Date Filing Date
EP00905897A Expired - Lifetime EP1305850B1 (fr) 1999-09-20 2000-02-01 Connecteur pour cables a impedance regulee
EP03028199A Expired - Lifetime EP1396911B1 (fr) 1999-09-20 2000-02-01 Connecteur pour câbles à impédance regulée

Country Status (7)

Country Link
US (1) US6524135B1 (fr)
EP (3) EP1305850B1 (fr)
JP (2) JP4607425B2 (fr)
KR (1) KR100618077B1 (fr)
CN (2) CN100407498C (fr)
DE (3) DE60031730T2 (fr)
WO (1) WO2002056426A1 (fr)

Families Citing this family (72)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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EP1465298B1 (fr) 2006-11-02
CN1274064C (zh) 2006-09-06
KR100618077B1 (ko) 2006-09-01
US6524135B1 (en) 2003-02-25
JP4907729B2 (ja) 2012-04-04
EP1396911A1 (fr) 2004-03-10
DE60031730T2 (de) 2007-09-06
KR20030016201A (ko) 2003-02-26
WO2002056426A1 (fr) 2002-07-18
JP2010257997A (ja) 2010-11-11
DE60014719D1 (de) 2004-11-11
JP4607425B2 (ja) 2011-01-05
CN1832262A (zh) 2006-09-13
EP1465298A3 (fr) 2004-12-08
DE60027611D1 (de) 2006-06-01
EP1305850B1 (fr) 2004-10-06
EP1305850A1 (fr) 2003-05-02
EP1396911B1 (fr) 2006-04-26
DE60027611T2 (de) 2007-05-10
DE60014719T2 (de) 2005-10-13
CN100407498C (zh) 2008-07-30
DE60031730D1 (de) 2006-12-14
CN1409882A (zh) 2003-04-09
JP2004518251A (ja) 2004-06-17

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